The Wilcoxon rank sum test (like most of the non-parametric tests presented in your textbook) actually tests to determine whether the population distributions have identical:
A) locations.
B) spreads (variances).
C) shapes.
D) All of the above are correct answers.

Question

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The Answer of The Wilcoxon rank sum test (like most of the non-parametric tests presented in your textbook) actually tests to determine whether the population distributions have identical:
A) locations.
B) spreads (variances).
C) shapes.
D) All of the above are correct answers.

The Wilcoxon Rank Sum Test (Like Most of the Non-Parametric